Multiply
- $$\begin{array} { r } 6 x ^ { 2 } + 9 x + 5 \\\times \quad x + 7 \\\hline\end{array}$$

Multiple Choice

Multiply.
- $$\begin{array} { r } 6 x ^ { 2 } + 9 x + 5 \\\times \quad x + 7 \\\hline\end{array}$$

A) $6 x ^ { 3 } + 51 x ^ { 2 } + 68 x + 35$
B) $48 x ^ { 3 } + 42 x ^ { 2 } + 63 x + 12$
C) $6 x ^ { 3 } + 42 x ^ { 2 } + 63 x + 35$
D) $48 x ^ { 3 } + 72 x ^ { 2 } + 40 x$